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Q: When compounds split apart to form a smaller compounds what happens in the reaction?
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What happens to a substance that break apart before it can melt?

This is a thermal decomposition reaction: new compounds are obtained by heating.


A reaction in which a compound breaks apart to produce two or more elements or compounds is what kind of reaction?

reduction reaction


Which kind of chemical reaction has compounds that split apart to from smaller compounds?

Decomposition reactions involve a compound breaking down into two or more smaller compounds. This is usually caused by the introduction of some form of energy such as light which breaks bonds between atoms. However, combustion reactions can also involve compounds splitting into simpler ones. A combustion reaction involves a compound made up of carbon, hydrogen, and occasionally oxygen atoms reacting with oxygen gas, O2, to form water and carbon dioxide. However, the answer to your question is probably decomposition reactions.


Which term identifies a reaction breaks apart macromolecules?

The term that identifies a reaction that breaks apart macromolecules is "hydrolysis." In hydrolysis, water molecules are used to break the bonds holding macromolecules together, resulting in the formation of smaller molecules or monomers.


What type of chemical reaction happens occurs when polymers are broken apart by water?

Hydrolysis, easy to remember because "hydro" is the latin word for water.


What happens if a nuclear chain reaction is not controlled?

The reactor fuel would overheat, melt, and fall apart.


What is the name of the process for splitting apart compounds using electricity?

It is electrolysis becouse its a chemical reaction in which an electrical current is used to decompose a compound


What happens when an Acid or base molecules break apart when they come in contact?

They form more stable compounds which are salt and water along with release of energy


What compound falls apart when heated?

Some compounds fall apart when heated. This is because the molecules breakdown with the added heat. Ionic compounds are an example of those that fall apart.


Is P4O10 plus 6H2O ---- 4H3PO4 an equation of decomposition reaction?

No, a decomposition is when one substance break apart into multiple compounds. In this reaction P4O10 and water combine to make phosphoric acid. If the reaction were reversed, it would be a decomposition reaction.


What kind of reaction occurs when two compounds split apart and the parts switch places as shown in the reaction below FeS 2HcI FecI2 H2s?

In the reaction FeS + 2HCl --> FeCl2+ H2S, the iron replaces the hydrogen and the hydrogen replaces the iron. This is two replacements, so the reaction is a double replacement reaction. (It's sometimes also called a double displacement reaction.)


What kind of a chemical reaction happens when hydrogen peroxide can break apart to form water and oxygen gas?

That would be a decomposition reaction. The equation for it would be: 2H2O --> 2H2 + O2 The process called electrolysis will do this.